AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 1; Ask the Editor
Sigmoid Diverticulitis with Peritonitis and Perforation
A patient is admitted with peritonitis likely secondary to perforated sigmoid diverticulitis. Is code K65.9, Peritonitis, unspecified, assigned with code K57.20, Diverticulitis of large intestine with perforation and abscess without bleeding? ...
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Article Overview
This short coding article explains how an admission for peritonitis related to perforated sigmoid diverticulitis is addressed in ICD-10-CM. It is aimed at coders and CDI or billing professionals who need to confirm the relevant diagnosis code assignment and note a related effective-date update mentioned in the source.
Why This Topic Matters
Cases involving diverticulitis with perforation and peritonitis can affect diagnosis selection and claim accuracy. This article helps readers understand the ICD-10-CM context for this clinical scenario and notes a time-sensitive update referenced by the source.
What You Will Learn
- The ICD-10-CM context for a case involving sigmoid diverticulitis and peritonitis
- How the article frames the relationship between perforation and associated peritonitis
- That the source includes an effective-date note tied to a later ICD-10-CM update
- Which diagnosis coding issue the article is intended to clarify
Who Should Read This
- Medical coders
- Coding auditors
- CDI specialists
- Billing staff
- Revenue cycle professionals
Codes Discussed
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